Intel sl7e8: Intel Pentium 4 2.4AGHz 533MHz FSB 1MB L2 Cache Socket 478 Processor


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SL7E8 Intel Pentium 4 2.

4AGHz 533MHz FSB 1MB L2 Cache Socket 478 Processor

  • Overview

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SL7E8 Intel Pentium 4 2.4AGHz 533MHz FSB 1MB L2 Cache Socket 478 Processor

Item Condition: Refurbished (for new please contact)

What does Refurbished mean?

Refurbished means that the item was sent back to the original
manufacturer, and it has been rechecked or reassembled and to provide cost-effective solution and to provide end-of-life products.

Reason to buy refurbished IT devices:

  • Better quality
  • Lower costs
  • Extend the Life of your Current Technology
  • A More Reliable Warranty
  • A Greener Solution
  • Save IT budget

Warranty may vary according to item condition.

Our usual warranty is:

  • Refurbished 30 days
  • New Open Box 90 days
  • New Factory Sealed 1 year or standard manufacturer warranty

Our items undergo a series of rigorous tests! All used or refurbished products are examined by our fulfillment team to ensure that any cosmetic issues will not affect the performance of your order. Our warehouse technicians also perform diagnostic tests to make sure you get exactly what you ordered and that it functions properly. If you have any issues with your purchase, contact us and we’ll do our best to resolve them.

Our goal at JBS Devices is to provide customer service that is better than any other and to do this we must offer what you need. Our staff will help you with warranty questions if needed or assist you with information on purchasing aftermarket accessories, so please give us a call at +1 469-459-9688 or email us [email protected]

Read More…

Our list of shipping services with their corresponding cut-off time:

Ground In the US ONLY, the transit time is between 3-7 business days, cut-off time stands at 1 PM Central Time. Depending on your location, Ground orders may be delivered by either UPS or USPS.
UPS 3 Day UPS orders take 3 business days in transit, however ONLY in the US. UPS 3 Day’s cut-off time is 1 PM Central Time.
FedEx 2 Day FedEx takes 2 business days in transit for orders placed ONLY in the US, and the cut-off time is 1 PM Central Time.
Standard Overnight Standard delivery service takes about 1 business day in transit for orders placed ONLY in the US. Cut-off time is 1 PM Central Time. Depending on the location, we may deliver the order by UPS Red Saver or FedEx Standard Overnight service.
Priority Overnight 1 business day transit time for orders placed in the US ONLY, with the cut-off time at 1 PM Central Time. Depending on the location, we may deliver by UPS Red or FedEx P1 Overnight service, guaranteeing the delivery by 10:30 AM on the same day.
International Shipping Cut-off time for all international orders is 1 PM Central Time. We ship international orders using FedEx International Economy method.
APO/FPO JBS Drives ships all APO/FPO orders using USPS Registered Mail.
Puerto Rico/Canada All orders delivered to Puerto Rico/Canada are shipped by the delivery system of FedEx’s International Economy, although their cut-off time is 1 PM Central Time
Saturday Shipping JBS Drives ships all APO/FPO orders using USPS Registered Mail.
Countries we ship to USA, Canada, Australia, New Zealand United Kingdom, Ireland, Germany, France, Sweden, UAE, Oman, Singapore, and China

Read more https://jbsdevices. com/shipping

Order placed during the business hours usually process within 1-2 working days, but it also depends on the type of shipping you choose during checkout.
All the refurbished items got tested include a full cleaning and cosmetic evaluation by our certified technicians before shipping to the customer.

Yes, we ship internationally including Asia, Europe, South America and Australia. You can contact us if you need more details.

We have multiple warehouses all over the world including USA, UK, Canada, and some parts of Europe. We ship inventory from the closest location.

Yes, We Accept PO’s from SMEs, Fortune 500 Companies, Government Agencies, Universities, and Schools.

Refurbished means that the item was sent back to the original manufacturer, and it has been rechecked or reassembled and to provide cost effective solution and to provide end of life products.

Reason to buy refurbished IT devices:

  • Better quality
  • Lower costs
  • Extend the Life of your Current Technology
  • A More Reliable Warranty
  • A Greener Solution
  • Save IT budget

We have an inventory of 500,000+ SKUs and it’s not possible to keep all the data up to date on our website, you can contact us with all the details and we will try to correct information or procure required part for you.

Yes, but only if the order has not been processed already (check your order status). To change your order, you must get in touch with our Customer Service Department via chat or call +1 469-459-9688

If you still have question(s) please write us at [email protected] or call +1 469-459-9688

Buy the Intel Pentium 4 2.40GHz 533MHz Socket 478 CPU Processor SL7E8

General information
Type CPU / Microprocessor
Family Intel Pentium 4
Part number BX80546PE2400E
Frequency (GHz) 2.4
Bus speed (MHz) 533
Clock multiplier 18
Package type 478-pin FC-mPGA4
Socket type Socket 478 (mPGA478B)
Architecture / Microarchitecture / Other
Core stepping C0
Processor core Prescott
Manufacturing technology (micron) 0. 09
L2 cache size (KB) 1024
Core voltage (V) 1.25 — 1.4
Case temperature (°C) 69.1
Notes on sSpec SL7E8

Microprocessors with this S-Spec have multiple VIDs. This processor supports loadline B (FMB1.0).

More Information
Price View Price Range
Manufacturer Intel
Processor speed 2.40 GHz
Bus Speed 533 MHz
L2 Cache 1 MB
Cooling Component(s) Included None/Processor Only
Condition Certified Refurbished
Condition Comment Full working order
Warranty 30 Day RTB (Return to Base) Warranty
Important It is your responsibility as a buyer to ensure this is compatible with your hardware or operating system before buying.

Assume that any photo is a library photo, not the actual item you will receive, unless expressly mentioned above. Item has been pulled from salvage machine so expect the item to be in a used condition with minor scuffs etc.

Unless expressly mentioned in the description, there will be no other parts included with the item. This includes items such as drivers, cables, manuals, warranty cards etc. Hard drives, tape drives, caddies etc. will not include any screws, fixing rails unless expressly mentioned.

We aims to deliver items ordered to you as soon possible. As a guide, we estimate that most items will be delivered according the following timescales. To help you plan for your delivery, we will send you an e-mail with tracking details, as soon as your order has been shipped.

UK Delivery

  • Free Delivery: Monday-Friday (2-5 Working Days)
  • Fast Delivery: Monday-Friday (1-2 Working Days)
  • Next Working Day Delivery: if ordering before 1pm it is next day (excluding Saturday/Sunday), if you place order Saturday/Sunday we will dispatch your order Monday for delivery Tuesday.

    Please note that Saturdays, Sundays, and Bank Holidays are not classed as working days.

    Delivery services may take longer if you live in remote areas like the Scottish Highlands and Northern Ireland. As a result, Next Day service may not be guaranteed.

International Delivery (not including customs processing)

  • You can choose UPS Courier at checkout, please fill in your address first to get a shipping quote. International orders are usually delivered within couple of days, speed depends on the services selected.
  • Goods are despatched Monday – Friday only.

  • Sending goods outside the United Kingdom may result in additional local customs clearance charges and taxes. Failure to pay these charges and taxes on arrival will result in the goods being returned to us. In such instances we may refund your order and delivery fees but retain a re-processing fee to cover the return costs and customs processing fees.

    Changes from 1st January 2021 – Brexit

    On 1st January 2021 the UK left the EU. A consequence of this is that goods purchased from the UK for delivery in the EU are now subject to additional duties and taxes as well as increased shipping costs. To our European customers we offering following delivery option:

    Delivery Only Service – we will deliver your order excluding any customs clearance fees, import charges and taxes. When the goods arrive in your country you will be contacted by the delivery company to pay these additional costs directly to them before final delivery as the importer of record.

    Delivery is processed under the ‘Delivery at Place’ (DAP) Incoterm.

    We would advise you to check the cost of delivery before making purchase as the customs clearance fees, import charges and taxes can amount to quite a significant cost.

We are so confident in the quality of our work that we stand behind every MicroDream Certified Refurbished product with a 12 Month Warranty as standard and we are able to offer our 30 Day Money Back Guarantee with complete confidence.

We guarantee this product against all hardware faults for a period of 12 months from receipt of the product.

If there is a hardware fault within the first 30 days of receipt we will arrange for collection free of charge and replace or repair the product.

If there is a hardware fault after the first 30 days, you are responsible for safely returning the product to us. We can arrange collection for £19 including VAT. We will pay for the carriage of the replacement or repaired product back to you.

WHO IS COVERED? This warranty is non-transferable and covers only the original end purchaser. An original or copy of a sales invoice is required for warranty service.

WHAT IS COVERED? In the event of your PC hardware developing a fault you can return it for repair or replacement (or equivalent).


  • Normal wear and tear of Product use
  • Misuse, lack of care, mishandling, accident, abuse or other abnormal use
  • Use of the Product other than for its intended purpose
  • Damage caused by improper or unauthorized repair or maintenance
  • Warranty is void if repairing without our consent or warranty seal is broken
  • Product that has been modified or altered
  • Software issues (any problems associated with software – whether bundled or installed by user, file corruption, internet setup etc. )
  • Accidental damage like breaking the screen or spilling liquid on it. You would need independent insurance to cover this.
  • Used batteries, although we do guarantee that it will hold at least one hour’s charge. We will replace batteries which do not meet these criteria if reported within one week of receipt and the battery supplied is returned. Batteries are considered as consumable items — as they are expected to degrade over time. Some may require replacement.

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1.3 GHz (Socket 423)
Specification Details
1.4 GHz (Socket 423)
Specification Details

w/o IHS:

1. 5 GHz (Socket 423)
Specification Details
1.5 GHz (Socket 478)
Specification Details


1.6 GHz (Socket 478)
Specification Details
1. 7 GHz (Socket 423)
Specification Details
1.7 GHz (Socket 478)
Specification Details


1.8 GHz (Socket 478)
Specification Details

In January 2002 Intel released Pentium 4s with a new core code named «Northwood» at speeds of 1. 6 GHz to 2.2 GHz. Northwood combined an increase in the L2 cache size from
256 KB to 512 KB (increasing the transistor count from 42 million to 55 million) with a transition to a new 130 nm fabrication process.

On April 14, 2003, Intel officially launched the new Pentium 4 HT processor. This was meant to help the Pentium 4 better compete with AMD’s Opteron
line of processors.


1.8A GHz
Specification Details

w/o IHS:

2A GHz
Specification Details

w/o IHS:

2. 26 GHz
Specification Details


2.4 GHz
Specification Details

Kindly donated by Pauli Rautakorpi.

2.53 GHz
Specification Details


2. 66 GHz
Specification Details
2.8 GHz
Specification Details
2.6 GHz
Specification Details
3. 2. Originally, Intel released two Prescott lines: the E-series, with an 800 MT/s FSB and Hyper-Threading support, and the low-end A-series, with a
533 MT/s FSB and Hyper-Threading disabled. Intel eventually added XD Bit (eXecute Disable) and Intel 64 functionality to Prescott.

2.4 GHz (Socket 478)
Specification Details
2.8 GHz (Socket 478)
Specification Details
3. 0 GHz (Socket 478)
Specification Details
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new with 533 MHz bus

As is often the case, the most interesting discoveries in the world of hardware news happen quite by accident. And today, while preparing a summary of the achievements of extreme overclocking of processors based on the Prescott core, your obedient servant discovered information about the processor, which made you push all current tasks into the background, and dedicate a separate article to yourself…

So, readers familiar with Intel’s plans for 2004 already know that processors with a frequency of 2.8 GHz should become the junior Pentium 4 model in the foreseeable future. Characteristically, processors based on the Prescott core with a frequency of 2.8 GHz exist in two versions: a model with an 800 MHz bus, 1 MB cache and Hyper-Threading support, and a model with a 533 MHz bus, 1 MB cache without Hyper-Threading support (the so-called Pentium 4 2.8A). Until now, it was believed that the latest processor will become the «hope and support» of those who are destined to be content with a 533 MHz bus.

The prospects for the Northwood family are also quite clear — this quarter the junior officially released processor was supposed to be the Pentium 4 2. 6C, which will be taken out of production already in August. Moreover, the Pentium 4 2.4A (400 MHz bus) and Pentium 4 2.4B (533 MHz bus) processors have already been discontinued, and in fact, Northwood’s junior representative is the Pentium 4 2.4C with 800 MHz bus. Since its price dropped below $163, these processors are no longer popular, only overclockers continue to hunt for them with varying degrees of success.

Will Intel really leave customers without the opportunity to purchase cheap and progressive processors by the middle of the year? By progressive we mean the qualities inherent in the Prescott core, although by many criteria these processors cannot be called super-successful. Let’s not forget that already in May the Prescott core will switch to the D0 stepping, and the problems with frequency scaling and heat dissipation will be partially solved.

As it turns out, the family of Prescott processors with 1 MB cache and 533 MHz bus will not consist of a single Pentium 4 2. 8A model. Celeron processors with a 533 MHz bus and 256 KB cache are not taken into account — they add a small amount of cache to the well-known slowness of the core, the forecasts for their performance level are quite disappointing.

So, going to this page of the official Intel website, you can find a mention of a processor with a marking corresponding to the character sequence BX80546PE2400E :

Let’s remember the unpretentious «alphabet» of Pentium 4 processor markings in order to accurately identify this model:

  • BX -> «boxed version», BOX;
  • 80546 -> 0.09 µm Prescott core;
  • PE -> 533 MHz bus;
  • 2400 -> CPU clock speed is 2.4 GHz;
  • E -> «proprietary» Prescott kernel suffix.

In other words, the official site of Intel hints at the proximity of the Prescott processor operating at 2.4 GHz and supporting 533 MHz bus. Note that these lists previously included mentions of Northwood 3. 4 GHz and Pentium 4 XE 3.4 GHz processors — in those days when information about the plans for the release of these models existed only unofficially. In general, the source is quite reliable :).

This kind of information could be considered a mistake or a provocation, if not for the numerous offers of the Prescott 2.4E processor in online stores in at least three regions: Germany, Canada and New Zealand. In the descriptions of the characteristics of this processor, we find a mention of a 1 MB cache and a Socket 478 connector:

So, the processor is really preparing for the announcement, and it will not be Celeron, but a full-fledged equivalent of the discontinued Northwood 2.4B, made on 0.09micron core Prescott and equipped with 1MB cache. Logically, this processor will not support Hyper-Threading technology — this is allowed only for models with an 800 MHz bus.

Stores haven’t announced the availability of the processor yet, but the price is already known — it ranges from 142-161 euros (Germany and Austria) to $174 (Canada, the price is indicated in US dollars). In other words, a boxed Pentium 2.4E processor should have a wholesale price of at least $163, because this mark is the minimum for Intel’s price list. Of course, this is true only for the scenario, according to which the Prescott 2.4E processor will be officially announced. On the other hand, boxed versions are not clandestinely produced, they are always intended for the retail market. It is curious whether the processor will be equipped with the same powerful boxed cooler that we find in the packaging of its older brothers? 🙂

By the way, the S-Spec marking corresponding to SL7E8 gives a lot to think about. It is known that the character sequence SL7Ex was chosen by Intel to designate models on the D0 stepping, taking a number of markings from SL7E2 (Prescott 2.8A) to SL7E5 (Prescott 3.2E). If there is some dependency here (which is quite unpredictable), the Prescott 2.4E processor marked SL7E8 can also belong to the D0 stepping.

Possibly marking SL7E6 will go to the 3. 4 GHz model based on the D0 stepping. By the way, information about the version of Prescott 3.4E on C0 stepping marked SL7B9 has already appeared on the official website
. This means that the production of these processors is gaining momentum, and in March we will see them in retail.

Let’s assume that the marking SL7E7 will go to some other processor on the Prescott core. Let’s say Prescott 2.66E (FSB 533 MHz), if Intel decides to release one. Then marking SL7E8 goes pretty well with the Prescott 2.4A. By the way, the model would have the right to be called Prescott 2.4A if there were only two Prescott versions operating at this frequency (as is the case with Pentium 4 2.8A and Pentium 4 2.8E). For a frequency of 2.4 GHz, there are four types of processors, and it is more logical to line up the correspondence of suffixes as follows:

  • Northwood 2.4 (FSB 400 MHz) -> Pentium 4 2.4A;
  • Northwood 2.4 (FSB 533 MHz) -> Pentium 4 2. 4B;
  • Northwood 2.4 (FSB 800 MHz) -> Pentium 4 2.4C;
  • Prescott 2.4 (FSB 533 MHz) -> Pentium 4 2.4E.

In other words, if the Prescott 2.4 GHz is given the designation «Pentium 4 2.4E», there should be no misunderstandings about its essence.

Let’s try to guess why Intel needed to release such a processor. Apparently, it cannot be attributed to the category of small-scale curiosities with an unlocked multiplier. This means that it will quite officially replace the Northwood 2.4B. Recall that the OEM version of Northwood 2.4B will be released until July 15, 2005, the processors will be supplied to the market of embedded devices. Perhaps Intel simply provides for their replacement in the form of a more cost-effective 0.09 in productionmicron option.

This would be true for the OEM version, but we can clearly see the markings on the boxed Prescott 2.4 GHz. Perhaps Intel wants to saturate the markets of developing countries with these processors, and the transition to a 0. 09 micron process technology paired with 300 mm wafers makes this task more cost-effective. In addition, the 2.4 GHz processor today has sufficient performance potential, and it is quite suitable for budget systems of the future.

Speaking about the overclocking potential of the Prescott 2.4E processor, the adherence to the 533 MHz bus is favorable for overclockers. The multiplier of this model is equal to 18x, and with a sufficiently good frequency potential (we will focus on the D0 stepping), already at a system bus frequency of 200 MHz, the processor clock frequency will be 3.6 GHz. This is a very convenient feature for fixed multipliers of serial Pentium 4 processors, in this our today’s hero is a little inferior to Prescott 2.8A, which has a multiplier of 21x. And for the price, it even wins :).


We will follow the development of the topic, because the junior processors of the family are always of the greatest interest to overclockers.

AMD Sempron vs Intel Celeron-D / Processors and memory
its junior line of Celeron processors.

The processors of the new series received an increased
up to 256KB L2 cache, as well as increased from 100 to 133MHz
processor bus. For a new series of processors, the name Celeron-D was coined, and
the processors themselves received index numbers:

Model Clock frequency Bus frequency (FSB)
Celeron-D 320 2.4GHz 133(533QPB) MHz
Celeron-D 325 2.53GHz 133(533QPB) MHz
Celeron-D 330 2.66GHz 133(533QPB) MHz
Celeron-D 335 2.8GHz 133(533QPB) MHz
Celeron-D 340 2.93GHz 133(533QPB) MHz

As the processor core, Intel used Prescott, which is manufactured using the 90nm process technology.
It is worth noting that Celeron processors, for marketing reasons, do not have support for HyperThreading technology.

We chose a Celeron-D 325 processor with a frequency of 2.53 GHz (although from the point of view of overclocking, the most interesting model is the 320, as the cheapest and most interesting, but unfortunately it was not in the store).
In addition, one Pentium4 model got into the sector of budget processors (oddly enough).
This is a very unusual model based on the Prescott core — Pentium4 2.4A, with a processor bus speed of 133 MHz.
Note that its price is approximately $125, which is quite comparable to the price of the AMD Sempron 3100+ (S754) processor.

Externally, the Celeron-D processor is no different from other Socket478 (CeleronP4) processors.

processor bus (533 QPB MHz). But the design of the box has changed a bit:

There are also changes inside the box — the boxed cooler is exactly the same as the processors
Pentium4 (with a copper insert at the base of the heatsink). A small gift for Celeron-D buyers.

And this is a Pentium4 2. 4A processor (L2 capacity = 1MB, FSB=533QPB MHz).

I can’t say anything about the contents of the box — the processor was bought in an OEM version.

Celeron-D processor on the left, P4 2.4A on the right.

And here are three processors based on the Prescott core: Celeron-D, Pentium4 2.4A and Pentium4 3.2C (800QPB MHz).
Try to guess which one is which.

The next step in the program is to determine the core stepping in the tested processors.

As you can see both the Celeron-D processor and the Pentium4 2.4A processor have the same core stepping
Prescott — C0.

Despite Intel’s promises to release the D0 stepping for Socket 478 processors, such processors
appear on sale very rarely. But Intel LGA775 processors initially have D0 stepping (I remind you that
D0 has some advantages over C0 in terms of heat dissipation and compatibility).

AMD Sempron

It is clear that AMD, Intel’s main competitor in the processor market, could not but
respond to this step. In its assortment there were two series of budget processors:
Duron (SocketA ; processor bus 100 MHz; actual clock frequency in the name) and AthlonXP
(SocketA ; processor bus 133/166/200MHz; performance rating). And the performance rating
AthlonXP processors already poorly matched the speed of the new Intel Pentium4 processors (on a 200(800QPB) MHz bus).
Therefore, AMD marketers decided to completely cease the existence of both lines: Duron and AthlonXP.
Instead, a new series was born — Sempron.

For the production of new Sempron processors, AMD used existing processor cores. In particular
the bulk of the processors of the new series are produced on the core
Thoroughbred with L2 cache=256KB and
processor bus frequency = 166 MHz. In addition, some of the Sempron processors will be based on cores
Thorton and Barton. The specifications of the latter are still being finalized and real processors on these
kernels are not yet available in stores.

Here it would be appropriate to say that for the SocketA platform, from the point of view of AMD, the most advantageous is
it is the Thoroughbred core, since due to its small size it becomes possible to increase the number
products, while reducing costs. However, the appearance of processors on sale is not excluded.
Sempron on the Thorton core (stripped down by «Barton»). In fact, it depends on AMD’s production plans.

Now a few words about the performance rating of SocketA Sempron processors. Despite the fact that these
The processors are essentially AthlonXP processors, and a completely new rating calculation algorithm has been developed for them.
Intel Celeron-D processors were chosen as a starting point.

In addition, AMD foresaw a possible increase in Celeron-D frequencies and came to the conclusion that even the fastest
SocketA processors will not be able to successfully compete with the fastest Celeron models. As a result, it was decided
about the release of Sempron series processors for Socket754 platforms and even(!) for Socket939. Currently in retail
there is already a single model — Sempron 3100+ based on the Paris core (Socket754; processor bus 200MHz; L2 cache size=256Kb).
In addition, AMD plans to release a couple more Sempron models for Socket754 and Socket939.

As a result, the official range of Sempron models is as follows:

Performance Rating Socket Real frequency Bus frequency L2 cache size
3100+ Socket 754 1.8 GHz 200 MHz 256KB (exclusive)
2800+ Socket A 2.0 GHz 166 MHz 256KB (exclusive)
2600+ Socket A 1.833 GHz 166 MHz 256KB (exclusive)
2500+ Socket A 1.750 GHz 166 MHz 256KB (exclusive)
2400+ Socket A 1.667 GHz 166 MHz 256KB (exclusive)
2300+ Socket A 1. 583 GHz 166 MHz 256KB (exclusive)
2200+ Socket A 1.5 GHz 166 MHz 256KB (exclusive)

However, according to various sources, it is possible to expand the Sempron line with
the following models:

Performance Rating Socket Real frequency Bus frequency L2 cache size
3400+ Socket 754 2.0 GHz 200 MHz 256KB (exclusive)
3200+ Socket 754 1.9 GHz 200 MHz 256KB (exclusive)
3000+ Socket 754 1.7 GHz 200 MHz 256KB (exclusive)
3000+ Socket A 2. 0 GHz 166 MHz 512KB (exclusive)

A couple of Sempron models for the Socket939 platform are also planned, but no exact information yet
on them no.

Now let’s look at the CPU-Z utility information for the tested processors.

Version 1.23 cannot determine whether a processor belongs to the Sempron SocketA family. But
correctly shows that the Sempron 2300+ processor is based on the Thoroughbred-B core, as well as all the others

But the utility determined Sempron 3100+ correctly:

Now that we have had a brief look at the Sempron series, a few preliminary conclusions can be drawn.
Firstly, the presence of processors of the same series intended for different platforms creates some confusion in
users’ heads. Sellers have to individually explain to buyers that, for example, Sempron 3100+
cannot be installed in SocketA board.

In my opinion it would be correct to separate Sempron models designed for Socket754 Socket939.
For example, they could be called Sempron 2 or Sempron Ultra or whatever. And here is the name
Sempron-64 is not suitable for these processors: support for 64-bit applications is disabled in the Paris kernel.
As for Cool’n’Quiet and NX-bit technology support, they are present in the Paris core. This moment
increases the attractiveness of Sempron processors for Socket754 compared to Sempron SocketA.
Also, as a basis for a budget system, the Socket754 platform is more promising.

By and large, the release of the Sempron series allows AMD to clearly distinguish between low-end processors
and high-end levels. The latter are called Athlon-64 and are direct competitors to the Intel Pentium4.

Now let’s look at the processors that will be tested.

Left — Sempron3100+, right — Athlon64 2800+ (visually — exactly the same processors).

Sempron 2300+ on Thoroughbred 9 core0388

Initially, I wanted to take one Sempron SocketA processor and use it to test
the entire SocketA line. However, after the first tests, disappointment set in: the multiplier on the processor
turned out to be blocked. As for the Sempron Socket754 processor, the situation is slightly better:
the multiplier is unlocked, but only downwards (this is necessary for Cool’n’Quiet to work).

Now some good news. First, AMD Reports Absorption Success
90 nm process technology. According to various sources, the release of processors is in full swing and already
in November, the first products will appear on store shelves. First of all, it concerns processors.
Athlon64 (it’s understandable — they bring a lot of profit). However, Sempron 3100+ processors
will also be transferred to the new process technology.

What does the user get as a result? The decrease in the technical process leads to the fact that on one
plate fits more cores. As a result, the number of produced processors is increasing.
(a sore point for AMD), and their cost is also reduced (similarly). In other words
we can expect some reduction in the retail price for Socket754 / Socket9 processors39 and also
expansion of the range due to the release of junior models.

It is also worth noting that AMD has made certain changes to the structure of the processor core. The new core is called Palermo (for Athlon64 the new core is called Winchester) and will be in D0 stepping. The main modifications concern the built-in
memory controller, which will lead to some increase in performance and improved compatibility
with working memory. However, the first Sempron processors for Socket754 will be based on the Winchester core,
with the reduction of the L2 cache to 256KB.

In stores, new 90nm processors will be identified by markings. In particular the latest
two letters will be «BA», and the marking itself will look like this: SDA3100AIO3BA.
The first three letters («SDA») indicate that the processor belongs to the Sempron family, then
there is a rating («3100»), the next letter («A») describes the type of package (in this case OPGA with a heat spreader),
«I» is the processor voltage (Vcore=1.4V), «O» is the maximum case temperature (69C; pay attention — temperature
cases, not processor cores!), «3» — L2 cache size (256KB), «BA» — indicates stepping «D0».
If the processor is «boxed», additional letters «BOX» will appear in the marking.

From the point of view of an overclocker, the transition to a new process technology will allow to achieve higher
overclocking results. If now the frequency ceiling for 130nm processors is 2.5-2.6GHz, then
after switching to 90nm, the maximum possible frequencies can rise to 3GHz.
As for heat dissipation, it will most likely remain at the same level (and for high-end processors
will grow a little).

Overclocking and prospects

As for the overclocking of Sempron SocketA processors, there are no surprises here:
the maximum possible frequency is limited by the technical characteristics of the cores
Thoroughbred and Barton. In other words, the clock frequency ceiling is around 2.4GHz.
And since the Sempron processor multiplier is locked, we can overclock
only by raising the frequency of the processor bus.

As an example, I overclocked a Sempron 2300+ model from the stock frequency of 1. 586 GHz to
frequency 2 GHz (increase FSB from 166 MHz to 210 MHz). Further acceleration was limited
RAM working in synchronous mode (I did not overclock in asynchronous mode,
keeping in mind the numerous cases of bios damage on boards with the nForce2 chipset).

With the Sempron 3100+ processor, the situation is as follows: the maximum
a stable frequency was reached at ~2.5 GHz. In this case, the FSB frequency was
increased from 200 to 280 MHz, and the supply voltage (Vcore) from 1.4V to 1.65V.
Overclocking was carried out in an asynchronous mode — i.e. memory frequency divider used
equal to 23 (nForce3 250 with stability in asynchronous modes is an order of magnitude better
than nForce2).

Epox 8KDA3+ motherboard was used to overclock this processor
on nForce3 250Gb chipset. The processor cooling was air — a cooler was used
Gigabyte 3D Cooler.

Now a few words about overclocking Intel processors. The first processor — Celeron D 325 was overclocked
from the standard FSB frequency of 133 MHz to a frequency of 190 MHz. As a result, its clock frequency
was 3.7 GHz, which is a pretty good result.

The next processor — Pentium4 2.4A worked stably at FSB = 190 MHz, and
its clock frequency was 3.4 GHz.

In both cases, overclocking was carried out in synchronous mode (DDR400 memory was used),
and as a platform, we used the Abit IC7-G motherboard based on the i875P chipset (one of
the best overclocking products).

Note that when overclocking both the Celeron-D processor and the P4 2.4A processor, we do not care at all
RAM characteristics: standard DDR400 fully covers the required frequency range.
And even if you come across a particularly successful processor, then finding a memory operating at 210-215 MHz will not be
labor. Naturally, we mean high-quality memory with low timings, since memory of the type
Although DDR500 provides stable operation at high frequencies (240-250 MHz), it has high timings,
which negatively affects performance.

Continuing the topic: if you overclock Celeron-D 325 to FSB = 210 MHz, then its operating frequency will be 4 GHz,
which is the technological limit of the Prescott core. It is the characteristics of this core (first of all, a high level of heat dissipation)
are a brake for serious overclocking. The Sempron Socket754 processor does not have a heat dissipation problem, but there is another
problem: overclocking for high FSB frequencies (more than 250 MHz) forces the user to use step-down dividers
memory frequency. And for the Socket754Socket9 platform39 asynchronous work with memory leads to a dramatic decrease in
performance (by 10-20% depending on the application), which can negate the entire effect of overclocking.

On the contrary, Intel processors have no problems with asynchrony. More precisely, there is a drop in performance, but
not so serious = 3-7% depending on the application. As a result, it is very difficult to name a clear leader
in the acceleration area. In fact, blocking the multiplier upwards in AMD processors creates numerous
difficulties for overclockers: namely, the need to select RAM capable of operating at very high
frequencies (more than 250 MHz, i. e. DDR500 and higher). And users of Intel processors don’t have to worry about the processor multiplier; for
Their main problem is to find a high-performance (and at the same time quiet) cooler.


The following systems were built for performance testing:


Processor AMD Sempron 2300+ (Thoroughbred core; SocketA)

AMD Sempron 3100+ (Paris core; Socket754)

Intel Pentium4 2.4A (Prescott core; Socket478)

Intel Celeron-D 325 (Prescott core; Socket478)
Motherboard Epox 8KDA3+ : nVidia nForce3 250

Abit AN7 : nVidia nForce II 400 Ultra

Abit IC7-G : Intel 875P Canterwood
Video card Asus Radeon 9800XT(445378)
on ATI 9800XT
Sound card
HDD IBM DTLA 307030 30Gb
Memory 2x256MB PC3200 DDR SDRAM TwinX by Corsair
Housing Inwin506 with PowerMan 300W PSU
OS Windows XP SP1

So, the tests used the already familiar set of applications.
First, let’s look at the results of synthetic tests.

We have only synthetic applications that demonstrate theoretical performance. The result of the Sandra 2002 test is especially indicative:
the old version of the program «does not recognize» the Athlon64Sempron S754 system, and calculates the throughput
memory in a completely incomprehensible way.

The MadonionFuturemark PCMark 2002 test is more serious and its results better reflect the real balance of power.

Now for gaming application tests.

When considering the results in the game Id Quake3, you need to remember that the performance
this application is very dependent on the bandwidth of the memory subsystem.
The appearance of an integrated memory controller in the Athlon64Sempron S754 processor allowed the latter
to seriously increase the performance in this test (I remind you that on the Quake3 engine
a large number of games have been released ranging from Return to Castle Wolfenstein to
Call of Duty).

In Serious Sam, AMD processors have always shown excellent results,
overtaking many Intel processors. With the release of Athlon64, the advantage of AMD products
only increased. The fact is that the performance in this game is quite strong
depends on the length of the pipeline (the difference between 2.8E (Prescott core)
and 2.8C (Northwood core)). As a result, Pentium4 processors, even with frequencies
3.2GHz and above look weak.

Note that in all test applications the Sempron 3100+ is inferior
Athlon64 2800+. Although both processors have the same clock frequency = 1.8GHz, but
Athlon64 has twice the L2 cache (512KB vs 256KB). This explains
speed difference.

In other games, the situation does not change — Athlon64Sempron S754 processors show very
high results. As for Sempron SocketA, it shows a speed similar to processors

Performance in the last two tests depends solely on the graphics card;
they are given exclusively for evaluation .

kbs. more is better

sec. less is better

Conclusions: in general, the performance of the AMD Sempron SocketA line corresponds to the performance of the Intel Celeron-D line. The exception is the Sempron 3100+,
which so far Intel has nothing to oppose.

The most comfortable, AMD processors feel in games. In other applications (office tasks, encoding, compression), performance depends
primarily on the structure of the application and the presence of various optimizations. If there is an optimization
under the Intel architecture, AMD processors are lagging behind. If there are no optimizations, then it shows equal or better results.
The same can be said about the structure of the program: if the performance in an application depends solely on the clock frequency,
then Intel processors will show the best results. However, there are not many such applications.

Now let’s look at the scalability of processors, i.e. increase in performance during overclocking.

First, let’s look at the results of synthetic tests.

Before us are exclusively synthetic applications that demonstrate theoretical performance.

Now for gaming application tests.

kbps. more is better

sec. less is better

Conclusions: if the task is to buy the cheapest processor and overclock it as much as possible, then the choice will be between the junior Celeron-D and Sempron SocketA models. In terms of overclocking, Celeron-D processors look more attractive. In fact, they can easily be overclocked to the technological limit, and the only obstacle to overclocking is the increased heat dissipation of the Prescott core. In terms of price, the situation is as follows: Celeron-D prices start at 2000 rubles, while similar Sempron SocketA processors cost ~$5 less. But there are a couple of junior models in the AMD range that have no analogues in the Celeron-D series. These are Sempron 2200+ and Sempron 2300+ (1350 rubles and 1550 rubles, respectively) — the best choice in terms of price. Still, overclocking Semprons is fraught with significant difficulties: SocketA boards are extremely reluctant to work at high FSB frequencies, and overclocking by increasing the multiplier is impossible (because the latter is blocked). As a result, in the category up to 3000 rubles ($ 100), the overclocker’s choice is the Celeron-D series processors.

However, if the user has a little more money in his pocket, then the choice of processor expands to include the Sempron 3100+ (Socket754) and Pentium4 2.4A models (both cost about $125). And if we compare the performance of overclocked processors, then the best results belong to the AMD processor. And this despite the fact that the Socket754 system worked in asynchronous mode (which takes a significant share of performance).

However, the results of overclocked systems are given for performance purposes only.
For, as they say in the east: «overclocking is a delicate matter», and fall into the hands of other instances of processors
with other maximum frequencies, the results would be different.

Leads; choice of motherboard

So, from the point of view of an ordinary user, no significant changes have occurred.
AMD processors still have the best combination of «price-performance»
Sempron (especially younger models 2200+ and 2300+). But from the point of view of a computer enthusiast
Celeron-D processors look more attractive, which show better results in
acceleration areas.

When choosing a motherboard for these platforms, there are no surprises either: SocketA is best suited for motherboards based on nForce2 400 and nForce2 400 Ultra chipsets (especially the Epox 8RDA+ motherboard of the latest revisions). And for Socket478, the most interesting boards based on the i865PE and SiS 655TX chipsets (let’s highlight the Asus P4P800-E Deluxe and Gigabyte 8S655TX Ultra boards).

As for higher-end systems, the Sempron 3100+ processor is out of competition here
for Socket754. His positions look especially strong for «home» tasks and, above all, games.
In addition, it has the most balanced characteristics, one of which is
low heat dissipation (and the use of Cool’n’Quiet technology only increases this advantage).
Intel system owners have to contend with the high heat dissipation of the Prescott core, which
leads to an increased noise level of the coolers used.

Unfortunately, the price difference between Sempron 3100+ and Athlon64 2800+ (as junior representatives
both lines) is insignificant, and is about $20. But the situation may change after the appearance
on sale model Sempron 3000+ (also for Socket754 platform). Next nice changes
may occur in the near future, after the start of sales of AMD processors manufactured
in 90nm process technology. This will lead to both an increase in production volumes and a decrease in
prime cost (and hence final prices in stores).

The most interesting thing is that when the Sempron 3100+ processors first appeared on sale, they had
set a completely indecent price. Greedy sellers were asking for about $150-160 (this is more expensive than Athlon64 2800+, which is clearly faster!). Therefore, we strongly advise against rushing to buy this processor at such a price — within two or three weeks, its price should fall to $125-130.

As a result, Sempron processors for Socket754 are the best choice for systems
middle level. This situation will remain unchanged until the entry into the sale of junior
Sempron representatives for Socket9 platform39 (which should happen by the end of the year).

As for choosing a motherboard for Socket754, the average user
this issue should not be of particular concern: all boards on the market have approximately
the same characteristics (including performance). But for overlockers the most
boards based on the nForce3 250(GB) chipset are attractive. From cheap models follows
to highlight the Gigabyte K8NS board (approximately 2600 rubles), and among the more expensive ones — Epox 8KDA3+, which showed excellent results in overclocking.

In this review, we have not touched on another series of budget processors — the Intel Celeron-D line
for the Intel LGA775 platform. However, if you look at the price level of LGA775 motherboards,
then it immediately becomes clear that this platform cannot be called a budget one. And even
the high performance graphics core in the i915G chipset cannot affect this conclusion.

The author is grateful to the company
Sunrise for provided Intel and AMD Sempron2300+ processors.

All questions, comments and wishes can and should be asked in

Pentium 4 motherboards

Intel i875P Canterwood


Intel i875P Canterwood
ASUS P4C800E Deluxe
Average motherboard price $170
System bus frequency (FSB) 800, 533 MHz
Dual-channel memory controller
Supported DDR400/333 memory
AGP 8X interface
Southbridge ICH5/ICH5R
Serial ATA 2 ports
USB 2. 0 8 ports
+ Maximum performance and functionality
High cost of i875P motherboards
! The best solution for those who do not spare money

The flagship of the line of Intel desktop chipsets has been in service for almost a year. Nevertheless, it is still the speed benchmark for the Socket 478 platform and an ideal solution for building high-performance systems.

The i875P chipset, also known as Canterwood, was created for the Pentium 4 processor series with an 800 MHz bus, which means that it embodies all the latest technical achievements: support for FSB 800 MHz and DDR400 memory, dual-channel memory controller, AGP 8X bus. The highlight of the i875P is the PAT technology, which speeds up the operation of the memory subsystem. Another distinctive feature, this time not very popular among users, is support for error-correcting memory (ECC). The ICH5 southbridge, used in the entire line of modern Intel chipsets (848/865/875), supports the Serial ATA standard and up to eight USB 2.0 ports, and in the ICH5-R version it also provides SATA RAID functionality.

The positioning of the i875P chipset in the upper market segment forces manufacturers to make every effort to develop motherboards based on it. Only the leading companies produce products based on Canterwood, competing with each other in the originality of technological and design solutions, functionality and richness of the package. It is characteristic that there is not a single budget board based on i875P on the market. The most characteristic and popular representatives of motherboards based on this chipset are ASUS P4C800/P4C800-E and ABIT IC7-G/IC7-MAX3. It is curious that both companies managed to release upgraded versions of their top products (indicated with an oblique) with extended functionality.

Intel i865PE Springdale

Intel i865PE Springdale
Average motherboard price $110
System bus frequency (FSB) 800, 533, 400 MHz
Dual channel memory controller
Supported memory DDR400/333/266
AGP 8X Interface
ICH5/ICH5R Southbridge
Serial ATA 2 ports
USB 2. 0 8 ports
+ Practically in no way inferior to i875P at a moderate price
Selecting a specific motherboard model can be difficult
! Optimal solution from every point of view

The Intel 865 (P/G/GV/PE) family of chipsets, codenamed Springdale, came out two months after the i875P. All four variants are a slightly stripped-down Canterwood. The i865PE suffered the least — it lacks support for error-correcting memory (ECC) and PAT technology. i865Р (not to be confused with i865PE!), positioned as a platform for «old» Pentium 4 with 533 or 400 MHz system bus and Celeron, was also deprived of official support for FSB 800 MHz and DDR400 memory. The i865G/GV variants are based on the i865PE, but include the integrated graphics core Intel Extreme Graphics 2. All of them use the familiar ICH5/ICH5-R as the south bridge.

The most promising for home use from this series is the i865PE, positioned just below the i875P. It has everything you need to support the latest processors, which means that there will be no problems with it when upgrading. Motherboards based on the i865PE can have different functionality, package bundles and, accordingly, prices: both the most modest budget models and «overclocker» products with extensive settings and memory optimization options are available. Support for PAT technology by the Springdale series chipsets is a controversial issue, but there is no doubt that many manufacturers have included the «memory boost» function in their boards.

At the very top of the «table of ranks» of motherboards based on Intel i865PE stands the iconic ASUS P4P800. No less popular among enthusiasts is the new ABIT AI7 with µGuru technology and the previous ABIT IS7 model.

Intel i848P

Intel i848P
Albatron PX865PE Lite Pro
Average motherboard price $80
System bus frequency (FSB) 800, 533, 400 MHz
Single-channel memory controller
Supported memory DDR400/333/266
AGP interface 8X
Southbridge ICH5/ICH5R
Serial ATA 2 ports
+ Excellent performance and features at a modest price
Single-channel memory controller, large performance variation depending on the specific motherboard model
! Leading entry-level chipset

Intel’s latest chipset replaced the Intel 845 family. Unlike Springdale and Canterwood, the i848P lacks a dual-channel memory controller, which indicates a «budget» orientation of the chipset. In tasks typical for systems of this level, the gain from two-channel operation is not so great, and it can be sacrificed for the sake of reducing the cost of the final product. The modern ICH5/ICH5-R southbridge is a companion of the i848Р northbridge, so you don’t have to worry about the most up-to-date interfaces. According to the official Intel specifications, the i848Р has a halved maximum possible amount of RAM compared to the i875Р (2 GB instead of 4 GB, 2 memory slots instead of 4), there are no PAT and ECC support at all. Vpro—

than in real i848P-based products there are both more memory slots (with the remaining capacity limitation) and the possibility of activating the PAT. In terms of equipment (including support for overclocking functions), the products themselves are often not inferior to models based on dual-channel chipsets. This has its own logic, because not everyone is ready to pay extra for dual-channel memory access, which gives a small performance boost, but many people need extended functionality.

As a result, Intel has, perhaps, the most versatile chipset for the budget segment of the market. It is on the i848P that we recommend building an inexpensive system — at a reasonable price, this is a huge step forward compared to the i845PE. Moreover, it will have good prospects for upgrading — some manufacturers have already announced support for Prescott processors with their i848P boards.

Intel i845PE

Intel i845PE
Albatron PX845PEV-800
Average price for motherboards — $70
System bus frequency (FSB) 533, 400 MHz
Single-channel memory controller
Supported memory DDR333/266
AGP 4X interface
Southbridge ICh5
Serial ATA no
USB 2. 0 6 ports
+ At the moment there are practically no advantages left
Obsolete from all points of view
! Inexpensive systems are better built on other chipsets

The oldest of all the chipsets included in the current review appeared back in 2002. The only one that does not have official support for Pentium 4 processors with 800 MHz FSB and DDR400 memory. Without progressive dual-channel memory controller and AGP 8X bus. With an outdated ICh5 southbridge, which means no Serial ATA and no more than six USB 2.0 ports on the board. Why are we reviewing it? The reason is simple: many motherboards based on this chipset are still available in our market. In fact, the Intel 845 family is still the most common platform for Socket 478. In addition, the inclusion of i845PE in the review will answer the question «What will I get from motherboard upgrade?» to the owners of such boards.

Based on the Intel i845PE, there are several «overclocker» motherboard models that may be of some interest both to overclockers and ordinary users. For example, ABIT BH7 (it’s a pity that ABIT used the cult abbreviation at the wrong time — the product came out right before Canterwood appeared and therefore went unnoticed by enthusiasts) and Albatron PX845PEV-800 support setting the FSB frequency to 800 MHz in BIOS settings and allow using DDR400 memory. This means that they are able to support modern processors with a 800 MHz bus at least in overclocked mode. True, the experience of working with similar «officially overclocked» i845PE-based boards shows that such a mode is difficult for them, despite all the manufacturers’ assurances. And in general, the time of Intel i845PE and other chipsets of the 845th family has already passed — i848P is a much more attractive option.

SiS 655TX

SiS 655TX
Gigabyte 8S655TX Ultra
Average motherboard price $110
System bus frequency (FSB) 800, 533, 400 MHz
Dual-channel memory controller
Supported memory DDR400/333/266
AGP interface 8X
SiS 964 Southbridge
Serial ATA 2 ports
USB 2. 0 8 ports
+ High performance; rich functionality
The performance is still lower than that of the Intel flagship; poor choice of motherboards
! Good alternative to the Intel i875P given the lower price of the

For the Intel platform, there have always been two categories of chipsets — from Intel itself and «other». And at the end of the year, all three manufacturers of alternative chipsets at once released new dual-channel products that more or less successfully compete with Intel chipsets.

SiS 655TX is one of the two «Canterwood killers» as the computer press dubbed it and the VIA PT880. The new product from SiS demonstrates performance at about the same level as the best representatives of motherboards on the reference i875P.

The main feature of the SiS 655TX is Advanced Hyper-Stre-aming Engine technology. Apparently, it is she who provides the impressive speed of the chipset. The mystery of the SiS specifications is the unknown AGP 3.5 interface, however, this version does not get any worse. In all other respects, the characteristics are at the level of «world standards»: support for Pentium 4 with an 800 MHz system bus, dual-channel access to DDR400 memory. Southbridge SiS 964, which comes «in the box», has the same functionality as ICH5: two Serial ATA ports, eight USB 2.0. The chipset chips are connected by a MuTIOL 1G bus with a bandwidth of 533 MBps.

SiS 655TX boards are on par with the best representatives based on Canterwood both in terms of specifications and performance. Unfortunately, it has become a good tradition for SiS that their fastest chipset comes out much later than the competitor from Intel and stays at the top exactly until the next set from Intel arrives. This has already happened with the Intel E7205 and SiS 655, now the situation is repeating itself with the i875P approaching «retirement age».

ATI Radeon 9100IGP

ATI Radeon 9100IGP
Average price for motherboards — $95
System bus frequency (FSB) 800, 533, 400 MHz
Dual channel memory controller
Supported memory DDR400/333/266
AGP 8X interface
ATI IXP150/200 southbridge
Serial ATA no
USB 2.0 6 ports
+ Graphics core is better than competitors
Generally poor performance
! Great solution when integrated graphics are required

The name of the Canadian company ATI is hardly associated with the production of chipsets. However, Radeon 9100IGP is already the second generation of ATI products for the Socket 478 platform. ATI’s main specialization is still video chips, so the main feature of their chipsets is the integrated graphics core. The new northbridge has the word Rade-on in its name for a reason — it integrates a Radeon 9200-class core. At the moment, this is the fastest integrated graphics card for the Pentium 4, significantly outperforming Intel Extreme Graphics 2 in speed. In addition, the Radeon 9100IGP provides excellent quality 2D pictures, which is the most important parameter for embedded video.

If you look at the technical characteristics of this chipset, it meets all modern requirements: support for processors with a system bus frequency of 800 MHz and DDR400 memory, dual-channel memory controller, AGP 8X. The ATI IXP200 south bridge does not have Serial ATA support, but otherwise it looks decent. However, the low speed of working with memory, including in dual-channel mode, leads to the fact that the Radeon 9100IGP does not shine in performance tests. On the other hand, given the excellent integrated graphics, boards based on this chipset should be used in specific systems. For example, in the Home Theater PC and other computers in small cases that are becoming more and more popular. Those few percentages of speed that separate the Radeon 9100IGP from more «nimble» competitors will still not be noticeable, but users will appreciate the picture quality, compactness and noiselessness (the north bridge is equipped only with a passive radiator). The result is a great chipset for PCs that can get by with an integrated graphics card.


Average price for motherboards — $70
System bus frequency (FSB) 800, 533, 400 MHz
Single-channel memory controller
Supported memory DDR400/333/266
AGP 8X interface
South bridge VT8237
Serial ATA 2 ports

ports 2. 9092 USB 2.9092

+ Rich functionality and good performance
Single channel memory controller
! A possible alternative to the Intel i848P if the price turns out to be correct

This year, VIA has finally received a license for the right to release chipsets for the Intel platform. In general, VIA has been producing chipsets for Socket 478 since its appearance on the market, but the Apollo P4T series (P4T266, P4T333, P4T400 and their modifications) attracted only a few motherboard manufacturers due to «unlicensedness». It got to the point that VIA itself sold motherboards based on its chipsets under the VIA PSD brand. Having received the official status, VIA, even in the labeling of new products, emphasized that «a different life has begun.» From now on, the logic series for Socket 478 has the abbreviation PT. The first licensed product was VIA PT800, aimed at the low-end category. The PT800 Northbridge has all the features required to support the latest processors, memory and video cards. The traditional set includes: support for the FSB 800 MHz bus and DDR400 memory, Hyper-Threading technology and the AGP 3.0 standard. The only thing missing for complete happiness is a dual-channel memory controller. The Southbridge is roughly the same as the Intel ICH5-R, but with more RAID functionality (levels 0, 1, 0+1 and JBOD). The connecting link between the bridges is the 8X V-Link bus, which provides a throughput of 533 MBps.

VIA PT800 is a direct competitor to the i848P, which is a serious challenge, because the Intel product has excellent performance. But in full accordance with the traditions of «alternative chipset building», motherboards based on VIA PT800 are more attractive in terms of cost — and this is the most important factor for inexpensive systems.




MSI PT880 Neo
Average motherboard price $115
System bus frequency (FSB) 800, 533, 400 MHz
Dual-channel memory controller
Supported memory DDR400/333/266
AGP 8X interface
Southbridge VT8237
Serial ATA 2 ports

2. 9092 USB 2.9092 ports

+ Advanced architecture, excellent features and high performance
Few offers of motherboards based on VIA PT880
! A worthy competitor to the flagship Intel

Following the single-channel PT800 solution, VIA also released the high-level chipset PT880, which has a dual-channel memory controller with proprietary Dual-Stream64 technology. As befits a modern high-level chipset, PT880 supports DDR400/333/266 memory (up to 8 GB), Pentium 4 processors with 800 MHz system bus and Hyper-Threading technology, AGP 8X video cards. Together with the PT880 north bridge, the boards are equipped with a VIA VT8237 south bridge chip. Exactly the same bridge is installed on motherboards based on PT800, i.e. there is support for Serial ATA (up to four devices using the SATAlite interface), wide possibilities for building RAID arrays (RAID 0, RAID 1, RAID 0 + 1 and JBOD) and eight USB 2. 0 ports. The difference between the PT880 is the connection interface between the north and south bridge Ultra V-Link with a throughput of 1066 MBps — twice as much as the PT800 and SiS 655TX, and four times as much as the Intel chipsets. However, this doesn’t give much advantage in real tasks: VIA’s flagship is still slower than the i875P, and in some cases even the SiS 655TX. PT880 allows placement of the latest PCI-X bus on the motherboard using an additional VIA VPX2 chip, but we are unlikely to see products with this connector, which is still unclaimed on the mass market, in the near future.

Another feature of both new VIA chipsets is the integrated VIA Vinyl sound chip. It can support 5.1- and 7.1-channel configurations, and some motherboard manufacturers (in particular, MSI) place the older model with eight-channel sound on their top products.



Perhaps the first thing to note, summing up the results of testing the best chipsets for the Pentium 4 platform, is that dual-channel memory access has not yet become a mandatory requirement for modern computers. Despite the huge difference in the results of specialized tests of the memory subsystem, in real applications the advantage of a dual-channel controller is not so noticeable. Therefore, for inexpensive systems (primarily based on Celeron), where every dollar spent counts, we recommend paying attention to products based on Intel i848P and VIA PT800. But motherboards based on the veteran Intel i845PE have already outlived their lives. Even the Albatron PX845PEV-800, whose specifications emphasize support for FSB 800 MHz and DDR400, clearly works to the limit in this mode — we ran into some problems during the test.

If there is an alternative candidate for purchase in the low-budget segment, then in the case of high-level solutions, SiS and VIA do not have much chance. Showing results in memory tests at the level of Canterwood and «charged» boards based on i865PE, in another test — 3DMark2001, where overall performance is important, both SiS 655TX and VIA PT880 are still somewhat behind the leaders. However, the speed in this case depends not only on the chipset, but also on the ingenuity of companies that produce motherboards. Therefore, it is likely that with a different selection of contestants, «alternatives» will catch up with the best offers from Intel.

ATI Radeon 9100IGP stands apart, its positioning has already been said enough. ATI presented a wonderful «niche» product, but outside of its market, motherboards based on it can only be used in the most inexpensive systems.

As for the most interesting part of our review — the test leaders represented by Intel i865PE and i875P, there are some pitfalls here too. If you look at the above diagrams, you can see that ASUS P4C800-E and ABIT AI7 are on a par. Moreover, if we compare the performance with the ultimate accuracy, the i865PE-based AI7 outperforms the i875P even slightly. To test, we took another i865PE motherboard — ASUS P4P800. The results were almost identical to AI7, so we decided not to even show them in the charts. However, both of these boards have the ability to include proprietary memory acceleration technologies similar to PAT, effectively turning the i865PE into a more expensive i875P. The result is excellent performance in standard mode (with a system bus frequency of 800 MHz).

But that’s not all. From the section «The Phenomenon of FSB 804 MHz» it becomes clear why Canterwood still remains the best chipset for the Intel platform today. In fact, if overclocking is not expected, then the motherboard based on Intel i865PE with support for PAT-shaped technology will be an ideal choice. And those who do not want to pay extra for a couple of percent of the speed half the cost of the board should also pay attention to the i865PE. And the next material on motherboards will be devoted to choosing a specific model based on Intel i865PE as the most successful chipset for a home PC. But for avid overclockers who do not want to lose a drop of performance, the flagship chipset from Intel is suitable. Moreover, companies leave the most interesting «chips» for their top models, both in terms of equipment and product packaging. Therefore, another market where Canterwood has no competitors so far is «image» solutions, where each component is selected according to the «it doesn’t get any better» principle.

As a result, it turns out that «all chipsets are good, since different ones are needed.» Any of the modern chipsets for Socket 478 has its own characteristics and certain prospects in the market, and sets from alternative manufacturers successfully complete the picture. And thanks to the variety of solutions, the user can choose the motherboard in the maximum accordance with their own requirements and financial capabilities.

FSB 804 MHz phenomenon

To demonstrate what happens to the i865PE and i875P when overclocked, we used the fastest possible system with an Intel Pentium 4 3. 40 GHz processor and the specified minimum memory timings

(2-5-2-2). The i875P chipset is represented by the ASUS P4C800-E Deluxe motherboard, i865PE is represented by the ASUS P4P800. All BIOS and operating system settings are set to maximum performance. In standard mode, the same «mathematical» advantage of the «tuned» i865PE is retained. But as soon as we change the system bus frequency, raising it by only 1 MHz (FSB804 instead of FSB800), the performance … drops sharply. This is due to the fact that internal optimizations that work only at standard FSB frequencies are disabled. An unpleasant fact, but it is there and you have to come to terms with it. But! Please note that the speed drop on the i865PE is much higher than on the i875P. For further testing, we used the nVENTIV Mach II freon cooling system and set the processor to 4200 MHz mode with a system bus frequency of 300 (1200) MHz. The memory remained in DDR400 mode (that is, the FSB/DDR ratio is 3:2). As you can see, the trend has continued, with Canterwood leading the way in terms of performance.

How we tested

Test system configuration:


UI/UX Design


Intel Pentium 4 3.20 GHz processor, two Kingston HyperX KHX3500/256 256 MB memory modules, Sapphire Atlantis 9800 XT video card. Operating system Windows XP Professional SP1, video card driver — ATI Catalyst 3.10.

The tested chipsets are motherboards:

Intel i875P — ASUS P4C800-E Deluxe

Intel i865PE — ABIT AI7 and ASUS P4P800

Intel i848P — Albatron PX865PE Lite Pro

SiS 655TX — Gigabyte 8S655TX Ultra

VIA PT800 — ASUS P4V800-X

VIA PT880 — MSI PT880 Neo

ATI Radeon 9100IGP — ASUS P4R800-VM

Test programs:

3DMark2001 SE Pro, build 330. Chosen as the most common and representative test, whose results are affected by all system components, including the motherboard used.

SiSoft Sandra 2004 Standard, Memory Bandwidth Benchmark.

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